UNOCAL EXPLORATION CORP.'S E-15 OCS G-1031 well flowed 5.5 MMcfd of gas and 54 b/d of condensate through an 11/64 in. choke with 4,625 flowing tubing pressure from 87 ft of Pliocene pay at 10,610-11,536 ft on Ship Shoal Block 253 off Louisiana. Unocal expects the fault block discovery to produce at a rate of at least 10 MMcfd. Unocal, operator, holds a 50% interest in the block. Marathon Oil Co. owns the remaining 50%.